package cn.ecut.dzy.lock.tools;

import java.util.concurrent.CountDownLatch;

/**
 * @program: java-interview
 * @description:
 * @author: DingZhenYun
 * @create: 2021-10-24 18:59
 **/

public class CountDownLatchDemo {
    public static void main(String[] args) throws InterruptedException {
        CountDownLatch countDownLatch = new CountDownLatch(6);

        for (int i = 1; i <= 6; i++) {
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "\t 国，被灭");
                countDownLatch.countDown();
            }, CountryEnum.forEach_CountryEnum(i).getRetMessage()).start();
        }

        countDownLatch.await();
        System.out.println(Thread.currentThread().getName() + "\t****************秦帝国，一统华夏");
    }

    private static void closeDoor() throws InterruptedException {
        CountDownLatch countDownLatch = new CountDownLatch(6);
        for (int i = 0; i < 6; i++) {
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "\t 上完自习，离开教室");
                countDownLatch.countDown();
            },
                    String.valueOf(i)).start();
        }
        countDownLatch.await();

        System.out.println(Thread.currentThread().getName() + "\t 班长最后关门");
    }
}
